git.delta.rocks / unique-network / refs/commits / e46e0e3e22a3

1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// This file is part of Unique Network.34// Unique Network is free software: you can redistribute it and/or modify5// it under the terms of the GNU General Public License as published by6// the Free Software Foundation, either version 3 of the License, or7// (at your option) any later version.89// Unique Network is distributed in the hope that it will be useful,10// but WITHOUT ANY WARRANTY; without even the implied warranty of11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the12// GNU General Public License for more details.1314// You should have received a copy of the GNU General Public License15// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.1617//! # Common pallet18//!19//! The Common pallet provides functionality for handling collections.20//!21//! ## Overview22//!23//! The Common pallet provides an interface for common collection operations for different collection types24//! (see [CommonCollectionOperations]), as well as a generic dispatcher for these, see [dispatch] module.25//! It also provides this functionality to EVM, see [erc] and [eth] modules.26//!27//! The Common pallet provides functions for:28//!29//! - Setting and approving collection sponsor.30//! - Get\set\delete allow list.31//! - Get\set\delete collection properties.32//! - Get\set\delete collection property permissions.33//! - Get\set\delete token property permissions.34//! - Get\set\delete collection administrators.35//! - Checking access permissions.36//!37//! ### Terminology38//! **Collection sponsor** - For the collection, you can set a sponsor, at whose expense it will39//! be possible to mint tokens.40//!41//! **Allow list** - List of users who have the right to minting tokens.42//!43//! **Collection properties** - Collection properties are simply key-value stores where various44//! metadata can be placed.45//!46//! **Permissions on token properties** - For each property in the token can be set permission47//! to change, see [`PropertyPermission`].48//!49//! **Collection administrator** - For a collection, you can set administrators who have the right50//! to most actions on the collection.5152#![warn(missing_docs)]53#![cfg_attr(not(feature = "std"), no_std)]54extern crate alloc;5556use core::{57	ops::{Deref, DerefMut},58	slice::from_ref,59};60use pallet_evm_coder_substrate::{SubstrateRecorder, WithRecorder};61use sp_std::vec::Vec;62use pallet_evm::{account::CrossAccountId, Pallet as PalletEvm};63use evm_coder::ToLog;64use frame_support::{65	dispatch::{DispatchErrorWithPostInfo, DispatchResultWithPostInfo, Weight, PostDispatchInfo},66	ensure,67	traits::{Imbalance, Get, Currency, WithdrawReasons, ExistenceRequirement},68	dispatch::Pays,69	transactional, fail,70};71use pallet_evm::GasWeightMapping;72use up_data_structs::{73	AccessMode, COLLECTION_NUMBER_LIMIT, Collection, RpcCollection, CollectionFlags,74	RpcCollectionFlags, CollectionId, CreateItemData, MAX_TOKEN_PREFIX_LENGTH,75	COLLECTION_ADMINS_LIMIT, TokenId, TokenChild, CollectionStats, MAX_TOKEN_OWNERSHIP,76	CollectionMode, NFT_SPONSOR_TRANSFER_TIMEOUT, FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,77	REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT, MAX_SPONSOR_TIMEOUT, CUSTOM_DATA_LIMIT, CollectionLimits,78	CreateCollectionData, SponsorshipState, CreateItemExData, SponsoringRateLimit, budget::Budget,79	PhantomType, Property, CollectionProperties as CollectionPropertiesT, TokenProperties,80	PropertiesPermissionMap, PropertyKey, PropertyValue, PropertyPermission, PropertiesError,81	TokenOwnerError, PropertyKeyPermission, TokenData, TrySetProperty, PropertyScope,82	CollectionPermissions,83};84use up_pov_estimate_rpc::PovInfo;8586pub use pallet::*;87use sp_core::H160;88use sp_runtime::{ArithmeticError, DispatchError, DispatchResult};8990#[cfg(feature = "runtime-benchmarks")]91pub mod benchmarking;92pub mod dispatch;93pub mod erc;94pub mod eth;95pub mod helpers;96#[allow(missing_docs)]97pub mod weights;98/// Weight info.99pub type SelfWeightOf<T> = <T as Config>::WeightInfo;100101/// Collection handle contains information about collection data and id.102/// Also provides functionality to count consumed gas.103///104/// CollectionHandle is used as a generic wrapper for collections of all types.105/// It allows to perform common operations and queries on any collection type,106/// both completely general for all, as well as their respective implementations of [`CommonCollectionOperations`].107#[must_use = "Should call submit_logs or save, otherwise some data will be lost for evm side"]108pub struct CollectionHandle<T: Config> {109	/// Collection id110	pub id: CollectionId,111	collection: Collection<T::AccountId>,112	/// Substrate recorder for counting consumed gas113	pub recorder: SubstrateRecorder<T>,114}115116impl<T: Config> WithRecorder<T> for CollectionHandle<T> {117	fn recorder(&self) -> &SubstrateRecorder<T> {118		&self.recorder119	}120	fn into_recorder(self) -> SubstrateRecorder<T> {121		self.recorder122	}123}124125impl<T: Config> CollectionHandle<T> {126	/// Same as [CollectionHandle::new] but with an explicit gas limit.127	pub fn new_with_gas_limit(id: CollectionId, gas_limit: u64) -> Option<Self> {128		<CollectionById<T>>::get(id).map(|collection| Self {129			id,130			collection,131			recorder: SubstrateRecorder::new(gas_limit),132		})133	}134135	/// Same as [CollectionHandle::new] but with an existed [`SubstrateRecorder`].136	pub fn new_with_recorder(id: CollectionId, recorder: SubstrateRecorder<T>) -> Option<Self> {137		<CollectionById<T>>::get(id).map(|collection| Self {138			id,139			collection,140			recorder,141		})142	}143144	/// Retrives collection data from storage and creates collection handle with default parameters.145	/// If collection not found return `None`146	pub fn new(id: CollectionId) -> Option<Self> {147		Self::new_with_gas_limit(id, u64::MAX)148	}149150	/// Same as [`CollectionHandle::new`] but if collection not found [CollectionNotFound](Error::CollectionNotFound) returned.151	pub fn try_get(id: CollectionId) -> Result<Self, DispatchError> {152		Ok(Self::new(id).ok_or(<Error<T>>::CollectionNotFound)?)153	}154155	/// Consume gas for reading.156	pub fn consume_store_reads(157		&self,158		reads: u64,159	) -> pallet_evm_coder_substrate::execution::Result<()> {160		self.recorder161			.consume_gas(T::GasWeightMapping::weight_to_gas(Weight::from_parts(162				<T as frame_system::Config>::DbWeight::get()163					.read164					.saturating_mul(reads),165				// TODO: measure proof166				0,167			)))168	}169170	/// Consume gas for writing.171	pub fn consume_store_writes(172		&self,173		writes: u64,174	) -> pallet_evm_coder_substrate::execution::Result<()> {175		self.recorder176			.consume_gas(T::GasWeightMapping::weight_to_gas(Weight::from_parts(177				<T as frame_system::Config>::DbWeight::get()178					.write179					.saturating_mul(writes),180				// TODO: measure proof181				0,182			)))183	}184185	/// Consume gas for reading and writing.186	pub fn consume_store_reads_and_writes(187		&self,188		reads: u64,189		writes: u64,190	) -> pallet_evm_coder_substrate::execution::Result<()> {191		let weight = <T as frame_system::Config>::DbWeight::get();192		let reads = weight.read.saturating_mul(reads);193		let writes = weight.read.saturating_mul(writes);194		self.recorder195			.consume_gas(T::GasWeightMapping::weight_to_gas(Weight::from_parts(196				reads.saturating_add(writes),197				// TODO: measure proof198				0,199			)))200	}201202	/// Save collection to storage.203	pub fn save(&self) -> DispatchResult {204		<CollectionById<T>>::insert(self.id, &self.collection);205		Ok(())206	}207208	/// Set collection sponsor.209	///210	/// Unique collections allows sponsoring for certain actions.211	/// This method allows you to set the sponsor of the collection.212	/// In order for sponsorship to become active, it must be confirmed through [`Self::confirm_sponsorship`].213	pub fn set_sponsor(214		&mut self,215		sender: &T::CrossAccountId,216		sponsor: T::AccountId,217	) -> DispatchResult {218		self.check_is_internal()?;219		self.check_is_owner_or_admin(sender)?;220221		self.collection.sponsorship = SponsorshipState::Unconfirmed(sponsor.clone());222223		<Pallet<T>>::deposit_event(Event::<T>::CollectionSponsorSet(self.id, sponsor));224		<PalletEvm<T>>::deposit_log(225			erc::CollectionHelpersEvents::CollectionChanged {226				collection_id: eth::collection_id_to_address(self.id),227			}228			.to_log(T::ContractAddress::get()),229		);230231		self.save()232	}233234	/// Force set `sponsor`.235	///236	/// Differs from [`set_sponsor`][`Self::set_sponsor`] in that confirmation237	/// from the `sponsor` is not required.238	///239	/// # Arguments240	///241	/// * `sender`: Caller's account.242	/// * `sponsor`: ID of the account of the sponsor-to-be.243	pub fn force_set_sponsor(&mut self, sponsor: T::AccountId) -> DispatchResult {244		self.check_is_internal()?;245246		self.collection.sponsorship = SponsorshipState::Confirmed(sponsor.clone());247248		<Pallet<T>>::deposit_event(Event::<T>::CollectionSponsorSet(self.id, sponsor.clone()));249		<Pallet<T>>::deposit_event(Event::<T>::SponsorshipConfirmed(self.id, sponsor));250		<PalletEvm<T>>::deposit_log(251			erc::CollectionHelpersEvents::CollectionChanged {252				collection_id: eth::collection_id_to_address(self.id),253			}254			.to_log(T::ContractAddress::get()),255		);256257		self.save()258	}259260	/// Confirm sponsorship261	///262	/// In order for the sponsorship to become active, the user set as the sponsor must confirm their participation.263	/// Before confirming sponsorship, the user must be specified as the sponsor of the collection via [`Self::set_sponsor`].264	pub fn confirm_sponsorship(&mut self, sender: &T::AccountId) -> DispatchResult {265		self.check_is_internal()?;266		ensure!(267			self.collection.sponsorship.pending_sponsor() == Some(sender),268			Error::<T>::ConfirmSponsorshipFail269		);270271		self.collection.sponsorship = SponsorshipState::Confirmed(sender.clone());272273		<Pallet<T>>::deposit_event(Event::<T>::SponsorshipConfirmed(self.id, sender.clone()));274		<PalletEvm<T>>::deposit_log(275			erc::CollectionHelpersEvents::CollectionChanged {276				collection_id: eth::collection_id_to_address(self.id),277			}278			.to_log(T::ContractAddress::get()),279		);280281		self.save()282	}283284	/// Remove collection sponsor.285	pub fn remove_sponsor(&mut self, sender: &T::CrossAccountId) -> DispatchResult {286		self.check_is_internal()?;287		self.check_is_owner_or_admin(sender)?;288289		self.collection.sponsorship = SponsorshipState::Disabled;290291		<Pallet<T>>::deposit_event(Event::<T>::CollectionSponsorRemoved(self.id));292		<PalletEvm<T>>::deposit_log(293			erc::CollectionHelpersEvents::CollectionChanged {294				collection_id: eth::collection_id_to_address(self.id),295			}296			.to_log(T::ContractAddress::get()),297		);298		self.save()299	}300301	/// Force remove `sponsor`.302	///303	/// Differs from `remove_sponsor` in that304	/// it doesn't require consent from the `owner` of the collection.305	pub fn force_remove_sponsor(&mut self) -> DispatchResult {306		self.check_is_internal()?;307308		self.collection.sponsorship = SponsorshipState::Disabled;309310		<Pallet<T>>::deposit_event(Event::<T>::CollectionSponsorRemoved(self.id));311		<PalletEvm<T>>::deposit_log(312			erc::CollectionHelpersEvents::CollectionChanged {313				collection_id: eth::collection_id_to_address(self.id),314			}315			.to_log(T::ContractAddress::get()),316		);317		self.save()318	}319320	/// Checks that the collection was created with, and must be operated upon through **Unique API**.321	/// Now check only the `external` flag and if it's **true**, then return [`Error::CollectionIsExternal`] error.322	pub fn check_is_internal(&self) -> DispatchResult {323		if self.flags.external {324			return Err(<Error<T>>::CollectionIsExternal)?;325		}326327		Ok(())328	}329330	/// Checks that the collection was created with, and must be operated upon through an **assimilated API**.331	/// Now check only the `external` flag and if it's **false**, then return [`Error::CollectionIsInternal`] error.332	pub fn check_is_external(&self) -> DispatchResult {333		if !self.flags.external {334			return Err(<Error<T>>::CollectionIsInternal)?;335		}336337		Ok(())338	}339}340341impl<T: Config> Deref for CollectionHandle<T> {342	type Target = Collection<T::AccountId>;343344	fn deref(&self) -> &Self::Target {345		&self.collection346	}347}348349impl<T: Config> DerefMut for CollectionHandle<T> {350	fn deref_mut(&mut self) -> &mut Self::Target {351		&mut self.collection352	}353}354355impl<T: Config> CollectionHandle<T> {356	/// Checks if the `user` is the owner of the collection.357	pub fn check_is_owner(&self, user: &T::CrossAccountId) -> DispatchResult {358		ensure!(*user.as_sub() == self.owner, <Error<T>>::NoPermission);359		Ok(())360	}361362	/// Returns **true** if the `user` is the owner or administrator of the collection.363	pub fn is_owner_or_admin(&self, user: &T::CrossAccountId) -> bool {364		*user.as_sub() == self.owner || <IsAdmin<T>>::get((self.id, user))365	}366367	/// Checks if the `user` is the owner or administrator of the collection.368	pub fn check_is_owner_or_admin(&self, user: &T::CrossAccountId) -> DispatchResult {369		ensure!(self.is_owner_or_admin(user), <Error<T>>::NoPermission);370		Ok(())371	}372373	/// Returns **true** if374	/// * the `user`is a collection owner or admin375	/// * the collection limits allow the owner/admins to transfer/burn any collection token376	pub fn ignores_token_restrictions(&self, user: &T::CrossAccountId) -> bool {377		self.limits.owner_can_transfer() && self.is_owner_or_admin(user)378	}379380	/// Return **true** if `user` does not have enough token parts, and he can ignore such restrictions.381	pub fn ignores_owned_amount(&self, user: &T::CrossAccountId) -> bool {382		self.limits.owner_can_transfer() && self.is_owner_or_admin(user)383	}384385	/// Checks if the user is in the allow list. If not [Error::AddressNotInAllowlist] returns.386	pub fn check_allowlist(&self, user: &T::CrossAccountId) -> DispatchResult {387		ensure!(388			<Allowlist<T>>::get((self.id, user)),389			<Error<T>>::AddressNotInAllowlist390		);391		Ok(())392	}393394	/// Changes collection owner to another account395	/// #### Store read/writes396	/// 1 writes397	pub fn change_owner(398		&mut self,399		caller: T::CrossAccountId,400		new_owner: T::CrossAccountId,401	) -> DispatchResult {402		self.check_is_internal()?;403		self.check_is_owner(&caller)?;404		self.collection.owner = new_owner.as_sub().clone();405406		<Pallet<T>>::deposit_event(Event::<T>::CollectionOwnerChanged(407			self.id,408			new_owner.as_sub().clone(),409		));410		<PalletEvm<T>>::deposit_log(411			erc::CollectionHelpersEvents::CollectionChanged {412				collection_id: eth::collection_id_to_address(self.id),413			}414			.to_log(T::ContractAddress::get()),415		);416417		self.save()418	}419}420421#[frame_support::pallet]422pub mod pallet {423	use super::*;424	use dispatch::CollectionDispatch;425	use frame_support::{Blake2_128Concat, pallet_prelude::*, storage::Key, traits::StorageVersion};426	use frame_system::pallet_prelude::*;427	use frame_support::traits::Currency;428	use up_data_structs::{TokenId, mapping::TokenAddressMapping};429	use scale_info::TypeInfo;430	use weights::WeightInfo;431432	#[pallet::config]433	pub trait Config:434		frame_system::Config + pallet_evm_coder_substrate::Config + pallet_evm::Config + TypeInfo435	{436		/// Weight information for functions of this pallet.437		type WeightInfo: WeightInfo;438439		/// Events compatible with [`frame_system::Config::Event`].440		type RuntimeEvent: IsType<<Self as frame_system::Config>::RuntimeEvent> + From<Event<Self>>;441442		/// Handler of accounts and payment.443		type Currency: Currency<Self::AccountId>;444445		/// Set price to create a collection.446		#[pallet::constant]447		type CollectionCreationPrice: Get<448			<<Self as Config>::Currency as Currency<Self::AccountId>>::Balance,449		>;450451		/// Dispatcher of operations on collections.452		type CollectionDispatch: CollectionDispatch<Self>;453454		/// Account which holds the chain's treasury.455		type TreasuryAccountId: Get<Self::AccountId>;456457		/// Address under which the CollectionHelper contract would be available.458		#[pallet::constant]459		type ContractAddress: Get<H160>;460461		/// Mapper for token addresses to Ethereum addresses.462		type EvmTokenAddressMapping: TokenAddressMapping<H160>;463464		/// Mapper for token addresses to [`CrossAccountId`].465		type CrossTokenAddressMapping: TokenAddressMapping<Self::CrossAccountId>;466	}467468	const STORAGE_VERSION: StorageVersion = StorageVersion::new(1);469470	#[pallet::pallet]471	#[pallet::storage_version(STORAGE_VERSION)]472	pub struct Pallet<T>(_);473474	#[pallet::extra_constants]475	impl<T: Config> Pallet<T> {476		/// Maximum admins per collection.477		pub fn collection_admins_limit() -> u32 {478			COLLECTION_ADMINS_LIMIT479		}480	}481482	impl<T: Config> Pallet<T> {483		/// Helper function that handles deposit events484		pub fn deposit_event(event: Event<T>) {485			let event = <T as Config>::RuntimeEvent::from(event);486			let event = event.into();487			<frame_system::Pallet<T>>::deposit_event(event)488		}489	}490491	#[pallet::event]492	pub enum Event<T: Config> {493		/// New collection was created494		CollectionCreated(495			/// Globally unique identifier of newly created collection.496			CollectionId,497			/// [`CollectionMode`] converted into _u8_.498			u8,499			/// Collection owner.500			T::AccountId,501		),502503		/// New collection was destroyed504		CollectionDestroyed(505			/// Globally unique identifier of collection.506			CollectionId,507		),508509		/// New item was created.510		ItemCreated(511			/// Id of the collection where item was created.512			CollectionId,513			/// Id of an item. Unique within the collection.514			TokenId,515			/// Owner of newly created item516			T::CrossAccountId,517			/// Always 1 for NFT518			u128,519		),520521		/// Collection item was burned.522		ItemDestroyed(523			/// Id of the collection where item was destroyed.524			CollectionId,525			/// Identifier of burned NFT.526			TokenId,527			/// Which user has destroyed its tokens.528			T::CrossAccountId,529			/// Amount of token pieces destroed. Always 1 for NFT.530			u128,531		),532533		/// Item was transferred534		Transfer(535			/// Id of collection to which item is belong.536			CollectionId,537			/// Id of an item.538			TokenId,539			/// Original owner of item.540			T::CrossAccountId,541			/// New owner of item.542			T::CrossAccountId,543			/// Amount of token pieces transfered. Always 1 for NFT.544			u128,545		),546547		/// Amount pieces of token owned by `sender` was approved for `spender`.548		Approved(549			/// Id of collection to which item is belong.550			CollectionId,551			/// Id of an item.552			TokenId,553			/// Original owner of item.554			T::CrossAccountId,555			/// Id for which the approval was granted.556			T::CrossAccountId,557			/// Amount of token pieces transfered. Always 1 for NFT.558			u128,559		),560561		/// A `sender` approves operations on all owned tokens for `spender`.562		ApprovedForAll(563			/// Id of collection to which item is belong.564			CollectionId,565			/// Owner of a wallet.566			T::CrossAccountId,567			/// Id for which operator status was granted or rewoked.568			T::CrossAccountId,569			/// Is operator status granted or revoked?570			bool,571		),572573		/// The colletion property has been added or edited.574		CollectionPropertySet(575			/// Id of collection to which property has been set.576			CollectionId,577			/// The property that was set.578			PropertyKey,579		),580581		/// The property has been deleted.582		CollectionPropertyDeleted(583			/// Id of collection to which property has been deleted.584			CollectionId,585			/// The property that was deleted.586			PropertyKey,587		),588589		/// The token property has been added or edited.590		TokenPropertySet(591			/// Identifier of the collection whose token has the property set.592			CollectionId,593			/// The token for which the property was set.594			TokenId,595			/// The property that was set.596			PropertyKey,597		),598599		/// The token property has been deleted.600		TokenPropertyDeleted(601			/// Identifier of the collection whose token has the property deleted.602			CollectionId,603			/// The token for which the property was deleted.604			TokenId,605			/// The property that was deleted.606			PropertyKey,607		),608609		/// The token property permission of a collection has been set.610		PropertyPermissionSet(611			/// ID of collection to which property permission has been set.612			CollectionId,613			/// The property permission that was set.614			PropertyKey,615		),616617		/// Address was added to the allow list.618		AllowListAddressAdded(619			/// ID of the affected collection.620			CollectionId,621			/// Address of the added account.622			T::CrossAccountId,623		),624625		/// Address was removed from the allow list.626		AllowListAddressRemoved(627			/// ID of the affected collection.628			CollectionId,629			/// Address of the removed account.630			T::CrossAccountId,631		),632633		/// Collection admin was added.634		CollectionAdminAdded(635			/// ID of the affected collection.636			CollectionId,637			/// Admin address.638			T::CrossAccountId,639		),640641		/// Collection admin was removed.642		CollectionAdminRemoved(643			/// ID of the affected collection.644			CollectionId,645			/// Removed admin address.646			T::CrossAccountId,647		),648649		/// Collection limits were set.650		CollectionLimitSet(651			/// ID of the affected collection.652			CollectionId,653		),654655		/// Collection owned was changed.656		CollectionOwnerChanged(657			/// ID of the affected collection.658			CollectionId,659			/// New owner address.660			T::AccountId,661		),662663		/// Collection permissions were set.664		CollectionPermissionSet(665			/// ID of the affected collection.666			CollectionId,667		),668669		/// Collection sponsor was set.670		CollectionSponsorSet(671			/// ID of the affected collection.672			CollectionId,673			/// New sponsor address.674			T::AccountId,675		),676677		/// New sponsor was confirm.678		SponsorshipConfirmed(679			/// ID of the affected collection.680			CollectionId,681			/// New sponsor address.682			T::AccountId,683		),684685		/// Collection sponsor was removed.686		CollectionSponsorRemoved(687			/// ID of the affected collection.688			CollectionId,689		),690	}691692	#[pallet::error]693	pub enum Error<T> {694		/// This collection does not exist.695		CollectionNotFound,696		/// Sender parameter and item owner must be equal.697		MustBeTokenOwner,698		/// No permission to perform action699		NoPermission,700		/// Destroying only empty collections is allowed701		CantDestroyNotEmptyCollection,702		/// Collection is not in mint mode.703		PublicMintingNotAllowed,704		/// Address is not in allow list.705		AddressNotInAllowlist,706707		/// Collection name can not be longer than 63 char.708		CollectionNameLimitExceeded,709		/// Collection description can not be longer than 255 char.710		CollectionDescriptionLimitExceeded,711		/// Token prefix can not be longer than 15 char.712		CollectionTokenPrefixLimitExceeded,713		/// Total collections bound exceeded.714		TotalCollectionsLimitExceeded,715		/// Exceeded max admin count716		CollectionAdminCountExceeded,717		/// Collection limit bounds per collection exceeded718		CollectionLimitBoundsExceeded,719		/// Tried to enable permissions which are only permitted to be disabled720		OwnerPermissionsCantBeReverted,721		/// Collection settings not allowing items transferring722		TransferNotAllowed,723		/// Account token limit exceeded per collection724		AccountTokenLimitExceeded,725		/// Collection token limit exceeded726		CollectionTokenLimitExceeded,727		/// Metadata flag frozen728		MetadataFlagFrozen,729730		/// Item does not exist731		TokenNotFound,732		/// Item is balance not enough733		TokenValueTooLow,734		/// Requested value is more than the approved735		ApprovedValueTooLow,736		/// Tried to approve more than owned737		CantApproveMoreThanOwned,738		/// Only spending from eth mirror could be approved739		AddressIsNotEthMirror,740741		/// Can't transfer tokens to ethereum zero address742		AddressIsZero,743744		/// The operation is not supported745		UnsupportedOperation,746747		/// Insufficient funds to perform an action748		NotSufficientFounds,749750		/// User does not satisfy the nesting rule751		UserIsNotAllowedToNest,752		/// Only tokens from specific collections may nest tokens under this one753		SourceCollectionIsNotAllowedToNest,754755		/// Tried to store more data than allowed in collection field756		CollectionFieldSizeExceeded,757758		/// Tried to store more property data than allowed759		NoSpaceForProperty,760761		/// Tried to store more property keys than allowed762		PropertyLimitReached,763764		/// Property key is too long765		PropertyKeyIsTooLong,766767		/// Only ASCII letters, digits, and symbols `_`, `-`, and `.` are allowed768		InvalidCharacterInPropertyKey,769770		/// Empty property keys are forbidden771		EmptyPropertyKey,772773		/// Tried to access an external collection with an internal API774		CollectionIsExternal,775776		/// Tried to access an internal collection with an external API777		CollectionIsInternal,778779		/// This address is not set as sponsor, use setCollectionSponsor first.780		ConfirmSponsorshipFail,781782		/// The user is not an administrator.783		UserIsNotCollectionAdmin,784	}785786	/// Storage of the count of created collections. Essentially contains the last collection ID.787	#[pallet::storage]788	pub type CreatedCollectionCount<T> = StorageValue<Value = CollectionId, QueryKind = ValueQuery>;789790	/// Storage of the count of deleted collections.791	#[pallet::storage]792	pub type DestroyedCollectionCount<T> =793		StorageValue<Value = CollectionId, QueryKind = ValueQuery>;794795	/// Storage of collection info.796	#[pallet::storage]797	pub type CollectionById<T> = StorageMap<798		Hasher = Blake2_128Concat,799		Key = CollectionId,800		Value = Collection<<T as frame_system::Config>::AccountId>,801		QueryKind = OptionQuery,802	>;803804	/// Storage of collection properties.805	#[pallet::storage]806	#[pallet::getter(fn collection_properties)]807	pub type CollectionProperties<T> = StorageMap<808		Hasher = Blake2_128Concat,809		Key = CollectionId,810		Value = CollectionPropertiesT,811		QueryKind = ValueQuery,812	>;813814	/// Storage of token property permissions of a collection.815	#[pallet::storage]816	#[pallet::getter(fn property_permissions)]817	pub type CollectionPropertyPermissions<T> = StorageMap<818		Hasher = Blake2_128Concat,819		Key = CollectionId,820		Value = PropertiesPermissionMap,821		QueryKind = ValueQuery,822	>;823824	/// Storage of the amount of collection admins.825	#[pallet::storage]826	pub type AdminAmount<T> = StorageMap<827		Hasher = Blake2_128Concat,828		Key = CollectionId,829		Value = u32,830		QueryKind = ValueQuery,831	>;832833	/// List of collection admins.834	#[pallet::storage]835	pub type IsAdmin<T: Config> = StorageNMap<836		Key = (837			Key<Blake2_128Concat, CollectionId>,838			Key<Blake2_128Concat, T::CrossAccountId>,839		),840		Value = bool,841		QueryKind = ValueQuery,842	>;843844	/// Allowlisted collection users.845	#[pallet::storage]846	pub type Allowlist<T: Config> = StorageNMap<847		Key = (848			Key<Blake2_128Concat, CollectionId>,849			Key<Blake2_128Concat, T::CrossAccountId>,850		),851		Value = bool,852		QueryKind = ValueQuery,853	>;854855	/// Not used by code, exists only to provide some types to metadata.856	#[pallet::storage]857	pub type DummyStorageValue<T: Config> = StorageValue<858		Value = (859			CollectionStats,860			CollectionId,861			TokenId,862			TokenChild,863			PhantomType<(864				TokenData<T::CrossAccountId>,865				RpcCollection<T::AccountId>,866				// PoV Estimate Info867				PovInfo,868			)>,869		),870		QueryKind = OptionQuery,871	>;872873	#[pallet::hooks]874	impl<T: Config> Hooks<BlockNumberFor<T>> for Pallet<T> {875		fn on_runtime_upgrade() -> Weight {876			StorageVersion::new(1).put::<Pallet<T>>();877878			Weight::zero()879		}880	}881}882883impl<T: Config> Pallet<T> {884	/// Enshure that receiver address is correct.885	///886	/// Ethereum receiver 0x0000000000000000000000000000000000000000 is reserved, and shouldn't own tokens.887	pub fn ensure_correct_receiver(receiver: &T::CrossAccountId) -> DispatchResult {888		ensure!(889			&T::CrossAccountId::from_eth(H160([0; 20])) != receiver,890			<Error<T>>::AddressIsZero891		);892		Ok(())893	}894895	/// Get a vector of collection admins.896	pub fn adminlist(collection: CollectionId) -> Vec<T::CrossAccountId> {897		<IsAdmin<T>>::iter_prefix((collection,))898			.map(|(a, _)| a)899			.collect()900	}901902	/// Get a vector of users allowed to mint tokens.903	pub fn allowlist(collection: CollectionId) -> Vec<T::CrossAccountId> {904		<Allowlist<T>>::iter_prefix((collection,))905			.map(|(a, _)| a)906			.collect()907	}908909	/// Is `user` allowed to mint token in `collection`.910	pub fn allowed(collection: CollectionId, user: T::CrossAccountId) -> bool {911		<Allowlist<T>>::get((collection, user))912	}913914	/// Get statistics of collections.915	pub fn collection_stats() -> CollectionStats {916		let created = <CreatedCollectionCount<T>>::get();917		let destroyed = <DestroyedCollectionCount<T>>::get();918		CollectionStats {919			created: created.0,920			destroyed: destroyed.0,921			alive: created.0 - destroyed.0,922		}923	}924925	/// Get the effective limits for the collection.926	pub fn effective_collection_limits(collection: CollectionId) -> Option<CollectionLimits> {927		let collection = <CollectionById<T>>::get(collection)?;928		let limits = collection.limits;929		let effective_limits = CollectionLimits {930			account_token_ownership_limit: Some(limits.account_token_ownership_limit()),931			sponsored_data_size: Some(limits.sponsored_data_size()),932			sponsored_data_rate_limit: Some(933				limits934					.sponsored_data_rate_limit935					.unwrap_or(SponsoringRateLimit::SponsoringDisabled),936			),937			token_limit: Some(limits.token_limit()),938			sponsor_transfer_timeout: Some(limits.sponsor_transfer_timeout(939				match collection.mode {940					CollectionMode::NFT => NFT_SPONSOR_TRANSFER_TIMEOUT,941					CollectionMode::Fungible(_) => FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,942					CollectionMode::ReFungible => REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,943				},944			)),945			sponsor_approve_timeout: Some(limits.sponsor_approve_timeout()),946			owner_can_transfer: Some(limits.owner_can_transfer()),947			owner_can_destroy: Some(limits.owner_can_destroy()),948			transfers_enabled: Some(limits.transfers_enabled()),949		};950951		Some(effective_limits)952	}953954	/// Returns information about the `collection` adapted for rpc.955	pub fn rpc_collection(collection: CollectionId) -> Option<RpcCollection<T::AccountId>> {956		let Collection {957			name,958			description,959			owner,960			mode,961			token_prefix,962			sponsorship,963			limits,964			permissions,965			flags,966		} = <CollectionById<T>>::get(collection)?;967968		let token_property_permissions = <CollectionPropertyPermissions<T>>::get(collection)969			.into_iter()970			.map(|(key, permission)| PropertyKeyPermission { key, permission })971			.collect();972973		let properties = <CollectionProperties<T>>::get(collection)974			.into_iter()975			.map(|(key, value)| Property { key, value })976			.collect();977978		let permissions = CollectionPermissions {979			access: Some(permissions.access()),980			mint_mode: Some(permissions.mint_mode()),981			nesting: Some(permissions.nesting().clone()),982		};983984		Some(RpcCollection {985			name: name.into_inner(),986			description: description.into_inner(),987			owner,988			mode,989			token_prefix: token_prefix.into_inner(),990			sponsorship,991			limits,992			permissions,993			token_property_permissions,994			properties,995			read_only: flags.external,996997			flags: RpcCollectionFlags {998				foreign: flags.foreign,999				erc721metadata: flags.erc721metadata,1000			},1001		})1002	}1003}10041005macro_rules! limit_default {1006	($old:ident, $new:ident, $($field:ident $(($arg:expr))? => $check:expr),* $(,)?) => {{1007		$(1008			if let Some($new) = $new.$field {1009				let $old = $old.$field($($arg)?);1010				let _ = $new;1011				let _ = $old;1012				$check1013			} else {1014				$new.$field = $old.$field1015			}1016		)*1017	}};1018}1019macro_rules! limit_default_clone {1020	($old:ident, $new:ident, $($field:ident $(($arg:expr))? => $check:expr),* $(,)?) => {{1021		$(1022			if let Some($new) = $new.$field.clone() {1023				let $old = $old.$field($($arg)?);1024				let _ = $new;1025				let _ = $old;1026				$check1027			} else {1028				$new.$field = $old.$field.clone()1029			}1030		)*1031	}};1032}10331034impl<T: Config> Pallet<T> {1035	/// Create new collection.1036	///1037	/// * `owner` - The owner of the collection.1038	/// * `data` - Description of the created collection.1039	/// * `flags` - Extra flags to store.1040	pub fn init_collection(1041		owner: T::CrossAccountId,1042		payer: T::CrossAccountId,1043		data: CreateCollectionData<T::AccountId>,1044		flags: CollectionFlags,1045	) -> Result<CollectionId, DispatchError> {1046		{1047			ensure!(1048				data.token_prefix.len() <= MAX_TOKEN_PREFIX_LENGTH as usize,1049				Error::<T>::CollectionTokenPrefixLimitExceeded1050			);1051		}10521053		let created_count = <CreatedCollectionCount<T>>::get()1054			.01055			.checked_add(1)1056			.ok_or(ArithmeticError::Overflow)?;1057		let destroyed_count = <DestroyedCollectionCount<T>>::get().0;1058		let id = CollectionId(created_count);10591060		// bound Total number of collections1061		ensure!(1062			created_count - destroyed_count <= COLLECTION_NUMBER_LIMIT,1063			<Error<T>>::TotalCollectionsLimitExceeded1064		);10651066		// =========10671068		let collection = Collection {1069			owner: owner.as_sub().clone(),1070			name: data.name,1071			mode: data.mode.clone(),1072			description: data.description,1073			token_prefix: data.token_prefix,1074			sponsorship: data1075				.pending_sponsor1076				.map(SponsorshipState::Unconfirmed)1077				.unwrap_or_default(),1078			limits: data1079				.limits1080				.map(|limits| Self::clamp_limits(data.mode.clone(), &Default::default(), limits))1081				.unwrap_or_else(|| Ok(CollectionLimits::default()))?,1082			permissions: data1083				.permissions1084				.map(|permissions| {1085					Self::clamp_permissions(data.mode.clone(), &Default::default(), permissions)1086				})1087				.unwrap_or_else(|| Ok(CollectionPermissions::default()))?,1088			flags,1089		};10901091		let mut collection_properties = CollectionPropertiesT::new();1092		collection_properties1093			.try_set_from_iter(data.properties.into_iter())1094			.map_err(<Error<T>>::from)?;10951096		CollectionProperties::<T>::insert(id, collection_properties);10971098		let mut token_props_permissions = PropertiesPermissionMap::new();1099		token_props_permissions1100			.try_set_from_iter(data.token_property_permissions.into_iter())1101			.map_err(<Error<T>>::from)?;11021103		CollectionPropertyPermissions::<T>::insert(id, token_props_permissions);11041105		// Take a (non-refundable) deposit of collection creation1106		{1107			let mut imbalance =1108				<<<T as Config>::Currency as Currency<T::AccountId>>::PositiveImbalance>::zero();1109			imbalance.subsume(1110				<<T as Config>::Currency as Currency<T::AccountId>>::deposit_creating(1111					&T::TreasuryAccountId::get(),1112					T::CollectionCreationPrice::get(),1113				),1114			);1115			<T as Config>::Currency::settle(1116				payer.as_sub(),1117				imbalance,1118				WithdrawReasons::TRANSFER,1119				ExistenceRequirement::KeepAlive,1120			)1121			.map_err(|_| Error::<T>::NotSufficientFounds)?;1122		}11231124		<CreatedCollectionCount<T>>::put(created_count);1125		<Pallet<T>>::deposit_event(Event::CollectionCreated(1126			id,1127			data.mode.id(),1128			owner.as_sub().clone(),1129		));1130		<PalletEvm<T>>::deposit_log(1131			erc::CollectionHelpersEvents::CollectionCreated {1132				owner: *owner.as_eth(),1133				collection_id: eth::collection_id_to_address(id),1134			}1135			.to_log(T::ContractAddress::get()),1136		);1137		<CollectionById<T>>::insert(id, collection);1138		Ok(id)1139	}11401141	/// Destroy collection.1142	///1143	/// * `collection` - Collection handler.1144	/// * `sender` - The owner or administrator of the collection.1145	pub fn destroy_collection(1146		collection: CollectionHandle<T>,1147		sender: &T::CrossAccountId,1148	) -> DispatchResult {1149		ensure!(1150			collection.limits.owner_can_destroy(),1151			<Error<T>>::NoPermission,1152		);1153		collection.check_is_owner(sender)?;11541155		let destroyed_collections = <DestroyedCollectionCount<T>>::get()1156			.01157			.checked_add(1)1158			.ok_or(ArithmeticError::Overflow)?;11591160		// =========11611162		<DestroyedCollectionCount<T>>::put(destroyed_collections);1163		<CollectionById<T>>::remove(collection.id);1164		<AdminAmount<T>>::remove(collection.id);1165		let _ = <IsAdmin<T>>::clear_prefix((collection.id,), u32::MAX, None);1166		let _ = <Allowlist<T>>::clear_prefix((collection.id,), u32::MAX, None);1167		<CollectionProperties<T>>::remove(collection.id);11681169		<Pallet<T>>::deposit_event(Event::CollectionDestroyed(collection.id));11701171		<PalletEvm<T>>::deposit_log(1172			erc::CollectionHelpersEvents::CollectionDestroyed {1173				collection_id: eth::collection_id_to_address(collection.id),1174			}1175			.to_log(T::ContractAddress::get()),1176		);1177		Ok(())1178	}11791180	/// This function sets or removes a collection properties according to1181	/// `properties_updates` contents:1182	/// * sets a property under the <key> with the value provided `(<key>, Some(<value>))`1183	/// * removes a property under the <key> if the value is `None` `(<key>, None)`.1184	///1185	/// This function fires an event for each property change.1186	/// In case of an error, all the changes (including the events) will be reverted1187	/// since the function is transactional.1188	#[transactional]1189	fn modify_collection_properties(1190		collection: &CollectionHandle<T>,1191		sender: &T::CrossAccountId,1192		properties_updates: impl Iterator<Item = (PropertyKey, Option<PropertyValue>)>,1193	) -> DispatchResult {1194		collection.check_is_owner_or_admin(sender)?;11951196		let mut stored_properties = <CollectionProperties<T>>::get(collection.id);11971198		for (key, value) in properties_updates {1199			match value {1200				Some(value) => {1201					stored_properties1202						.try_set(key.clone(), value)1203						.map_err(<Error<T>>::from)?;12041205					Self::deposit_event(Event::CollectionPropertySet(collection.id, key));1206					<PalletEvm<T>>::deposit_log(1207						erc::CollectionHelpersEvents::CollectionChanged {1208							collection_id: eth::collection_id_to_address(collection.id),1209						}1210						.to_log(T::ContractAddress::get()),1211					);1212				}1213				None => {1214					stored_properties.remove(&key).map_err(<Error<T>>::from)?;12151216					Self::deposit_event(Event::CollectionPropertyDeleted(collection.id, key));1217					<PalletEvm<T>>::deposit_log(1218						erc::CollectionHelpersEvents::CollectionChanged {1219							collection_id: eth::collection_id_to_address(collection.id),1220						}1221						.to_log(T::ContractAddress::get()),1222					);1223				}1224			}1225		}12261227		<CollectionProperties<T>>::set(collection.id, stored_properties);12281229		Ok(())1230	}12311232	/// A batch operation to add, edit or remove properties for a token.1233	/// It sets or removes a token's properties according to1234	/// `properties_updates` contents:1235	/// * sets a property under the <key> with the value provided `(<key>, Some(<value>))`1236	/// * removes a property under the <key> if the value is `None` `(<key>, None)`.1237	///1238	/// - `nesting_budget`: Limit for searching parents in-depth to check ownership.1239	/// - `is_token_create`: Indicates that method is called during token initialization.1240	///   Allows to bypass ownership check.1241	///1242	/// All affected properties should have `mutable` permission1243	/// to be **deleted** or to be **set more than once**,1244	/// and the sender should have permission to edit those properties.1245	///1246	/// This function fires an event for each property change.1247	/// In case of an error, all the changes (including the events) will be reverted1248	/// since the function is transactional.1249	pub fn modify_token_properties(1250		collection: &CollectionHandle<T>,1251		sender: &T::CrossAccountId,1252		token_id: TokenId,1253		properties_updates: impl Iterator<Item = (PropertyKey, Option<PropertyValue>)>,1254		is_token_create: bool,1255		mut stored_properties: TokenProperties,1256		is_token_owner: impl Fn() -> Result<bool, DispatchError>,1257		set_token_properties: impl FnOnce(TokenProperties),1258		log: evm_coder::ethereum::Log,1259	) -> DispatchResult {1260		let is_collection_admin = collection.is_owner_or_admin(sender);1261		let permissions = Self::property_permissions(collection.id);12621263		let mut token_owner_result = None;1264		let mut is_token_owner = || -> Result<bool, DispatchError> {1265			*token_owner_result.get_or_insert_with(&is_token_owner)1266		};12671268		for (key, value) in properties_updates {1269			let permission = permissions1270				.get(&key)1271				.cloned()1272				.unwrap_or_else(PropertyPermission::none);12731274			let is_property_exists = stored_properties.get(&key).is_some();12751276			match permission {1277				PropertyPermission { mutable: false, .. } if is_property_exists => {1278					return Err(<Error<T>>::NoPermission.into());1279				}12801281				PropertyPermission {1282					collection_admin,1283					token_owner,1284					..1285				} => {1286					//TODO: investigate threats during public minting.1287					let is_token_create =1288						is_token_create && (collection_admin || token_owner) && value.is_some();1289					if !(is_token_create1290						|| (collection_admin && is_collection_admin)1291						|| (token_owner && is_token_owner()?))1292					{1293						fail!(<Error<T>>::NoPermission);1294					}1295				}1296			}12971298			match value {1299				Some(value) => {1300					stored_properties1301						.try_set(key.clone(), value)1302						.map_err(<Error<T>>::from)?;13031304					Self::deposit_event(Event::TokenPropertySet(collection.id, token_id, key));1305				}1306				None => {1307					stored_properties.remove(&key).map_err(<Error<T>>::from)?;13081309					Self::deposit_event(Event::TokenPropertyDeleted(collection.id, token_id, key));1310				}1311			}13121313			<PalletEvm<T>>::deposit_log(log.clone());1314		}13151316		set_token_properties(stored_properties);13171318		Ok(())1319	}13201321	/// Sets or unsets the approval of a given operator.1322	///1323	/// The `operator` is allowed to transfer all token pieces of the `owner` on their behalf.1324	/// - `owner`: Token owner1325	/// - `operator`: Operator1326	/// - `approve`: Should operator status be granted or revoked?1327	pub fn set_allowance_for_all(1328		collection: &CollectionHandle<T>,1329		owner: &T::CrossAccountId,1330		operator: &T::CrossAccountId,1331		approve: bool,1332		set_allowance: impl FnOnce(),1333		log: evm_coder::ethereum::Log,1334	) -> DispatchResult {1335		if collection.permissions.access() == AccessMode::AllowList {1336			collection.check_allowlist(owner)?;1337			collection.check_allowlist(operator)?;1338		}13391340		Self::ensure_correct_receiver(operator)?;13411342		set_allowance();13431344		<PalletEvm<T>>::deposit_log(log);1345		Self::deposit_event(Event::ApprovedForAll(1346			collection.id,1347			owner.clone(),1348			operator.clone(),1349			approve,1350		));1351		Ok(())1352	}13531354	/// Set collection property.1355	///1356	/// * `collection` - Collection handler.1357	/// * `sender` - The owner or administrator of the collection.1358	/// * `property` - The property to set.1359	pub fn set_collection_property(1360		collection: &CollectionHandle<T>,1361		sender: &T::CrossAccountId,1362		property: Property,1363	) -> DispatchResult {1364		Self::set_collection_properties(collection, sender, [property].into_iter())1365	}13661367	/// Set a scoped collection property, where the scope is a special prefix1368	/// prohibiting a user access to change the property directly.1369	///1370	/// * `collection_id` - ID of the collection for which the property is being set.1371	/// * `scope` - Property scope.1372	/// * `property` - The property to set.1373	pub fn set_scoped_collection_property(1374		collection_id: CollectionId,1375		scope: PropertyScope,1376		property: Property,1377	) -> DispatchResult {1378		CollectionProperties::<T>::try_mutate(collection_id, |properties| {1379			properties.try_scoped_set(scope, property.key, property.value)1380		})1381		.map_err(<Error<T>>::from)?;13821383		Ok(())1384	}13851386	/// Set scoped collection properties, where the scope is a special prefix1387	/// prohibiting a user access to change the properties directly.1388	///1389	/// * `collection_id` - ID of the collection for which the properties is being set.1390	/// * `scope` - Property scope.1391	/// * `properties` - The properties to set.1392	pub fn set_scoped_collection_properties(1393		collection_id: CollectionId,1394		scope: PropertyScope,1395		properties: impl Iterator<Item = Property>,1396	) -> DispatchResult {1397		CollectionProperties::<T>::try_mutate(collection_id, |stored_properties| {1398			stored_properties.try_scoped_set_from_iter(scope, properties)1399		})1400		.map_err(<Error<T>>::from)?;14011402		Ok(())1403	}14041405	/// Set collection properties.1406	///1407	/// * `collection` - Collection handler.1408	/// * `sender` - The owner or administrator of the collection.1409	/// * `properties` - The properties to set.1410	pub fn set_collection_properties(1411		collection: &CollectionHandle<T>,1412		sender: &T::CrossAccountId,1413		properties: impl Iterator<Item = Property>,1414	) -> DispatchResult {1415		Self::modify_collection_properties(1416			collection,1417			sender,1418			properties.map(|property| (property.key, Some(property.value))),1419		)1420	}14211422	/// Delete collection property.1423	///1424	/// * `collection` - Collection handler.1425	/// * `sender` - The owner or administrator of the collection.1426	/// * `property` - The property to delete.1427	pub fn delete_collection_property(1428		collection: &CollectionHandle<T>,1429		sender: &T::CrossAccountId,1430		property_key: PropertyKey,1431	) -> DispatchResult {1432		Self::delete_collection_properties(collection, sender, [property_key].into_iter())1433	}14341435	/// Delete collection properties.1436	///1437	/// * `collection` - Collection handler.1438	/// * `sender` - The owner or administrator of the collection.1439	/// * `properties` - The properties to delete.1440	pub fn delete_collection_properties(1441		collection: &CollectionHandle<T>,1442		sender: &T::CrossAccountId,1443		property_keys: impl Iterator<Item = PropertyKey>,1444	) -> DispatchResult {1445		Self::modify_collection_properties(collection, sender, property_keys.map(|key| (key, None)))1446	}14471448	/// Set collection propetry permission without any checks.1449	///1450	/// Used for migrations.1451	///1452	/// * `collection` - Collection handler.1453	/// * `property_permissions` - Property permissions.1454	pub fn set_property_permission_unchecked(1455		collection: CollectionId,1456		property_permission: PropertyKeyPermission,1457	) -> DispatchResult {1458		<CollectionPropertyPermissions<T>>::try_mutate(collection, |permissions| {1459			permissions.try_set(property_permission.key, property_permission.permission)1460		})1461		.map_err(<Error<T>>::from)?;1462		Ok(())1463	}14641465	/// Set collection property permission.1466	///1467	/// * `collection` - Collection handler.1468	/// * `sender` - The owner or administrator of the collection.1469	/// * `property_permission` - Property permission.1470	pub fn set_property_permission(1471		collection: &CollectionHandle<T>,1472		sender: &T::CrossAccountId,1473		property_permission: PropertyKeyPermission,1474	) -> DispatchResult {1475		Self::set_scoped_property_permission(1476			collection,1477			sender,1478			PropertyScope::None,1479			property_permission,1480		)1481	}14821483	/// Set collection property permission with scope.1484	///1485	/// * `collection` - Collection handler.1486	/// * `sender` - The owner or administrator of the collection.1487	/// * `scope` - Property scope.1488	/// * `property_permission` - Property permission.1489	pub fn set_scoped_property_permission(1490		collection: &CollectionHandle<T>,1491		sender: &T::CrossAccountId,1492		scope: PropertyScope,1493		property_permission: PropertyKeyPermission,1494	) -> DispatchResult {1495		collection.check_is_owner_or_admin(sender)?;14961497		let all_permissions = CollectionPropertyPermissions::<T>::get(collection.id);1498		let current_permission = all_permissions.get(&property_permission.key);1499		if matches![1500			current_permission,1501			Some(PropertyPermission { mutable: false, .. })1502		] {1503			return Err(<Error<T>>::NoPermission.into());1504		}15051506		CollectionPropertyPermissions::<T>::try_mutate(collection.id, |permissions| {1507			let property_permission = property_permission.clone();1508			permissions.try_scoped_set(1509				scope,1510				property_permission.key,1511				property_permission.permission,1512			)1513		})1514		.map_err(<Error<T>>::from)?;15151516		Self::deposit_event(Event::PropertyPermissionSet(1517			collection.id,1518			property_permission.key,1519		));1520		<PalletEvm<T>>::deposit_log(1521			erc::CollectionHelpersEvents::CollectionChanged {1522				collection_id: eth::collection_id_to_address(collection.id),1523			}1524			.to_log(T::ContractAddress::get()),1525		);15261527		Ok(())1528	}15291530	/// Set token property permission.1531	///1532	/// * `collection` - Collection handler.1533	/// * `sender` - The owner or administrator of the collection.1534	/// * `property_permissions` - Property permissions.1535	#[transactional]1536	pub fn set_token_property_permissions(1537		collection: &CollectionHandle<T>,1538		sender: &T::CrossAccountId,1539		property_permissions: Vec<PropertyKeyPermission>,1540	) -> DispatchResult {1541		Self::set_scoped_token_property_permissions(1542			collection,1543			sender,1544			PropertyScope::None,1545			property_permissions,1546		)1547	}15481549	/// Set token property permission with scope.1550	///1551	/// * `collection` - Collection handler.1552	/// * `sender` - The owner or administrator of the collection.1553	/// * `scope` - Property scope.1554	/// * `property_permissions` - Property permissions.1555	#[transactional]1556	pub fn set_scoped_token_property_permissions(1557		collection: &CollectionHandle<T>,1558		sender: &T::CrossAccountId,1559		scope: PropertyScope,1560		property_permissions: Vec<PropertyKeyPermission>,1561	) -> DispatchResult {1562		for prop_pemission in property_permissions {1563			Self::set_scoped_property_permission(collection, sender, scope, prop_pemission)?;1564		}15651566		Ok(())1567	}15681569	/// Get collection property.1570	pub fn get_collection_property(1571		collection_id: CollectionId,1572		key: &PropertyKey,1573	) -> Option<PropertyValue> {1574		Self::collection_properties(collection_id).get(key).cloned()1575	}15761577	/// Convert byte vector to property key vector.1578	pub fn bytes_keys_to_property_keys(1579		keys: Vec<Vec<u8>>,1580	) -> Result<Vec<PropertyKey>, DispatchError> {1581		keys.into_iter()1582			.map(|key| -> Result<PropertyKey, DispatchError> {1583				key.try_into()1584					.map_err(|_| <Error<T>>::PropertyKeyIsTooLong.into())1585			})1586			.collect::<Result<Vec<PropertyKey>, DispatchError>>()1587	}15881589	/// Get properties according to given keys.1590	pub fn filter_collection_properties(1591		collection_id: CollectionId,1592		keys: Option<Vec<PropertyKey>>,1593	) -> Result<Vec<Property>, DispatchError> {1594		let properties = Self::collection_properties(collection_id);15951596		let properties = keys1597			.map(|keys| {1598				keys.into_iter()1599					.filter_map(|key| {1600						properties.get(&key).map(|value| Property {1601							key,1602							value: value.clone(),1603						})1604					})1605					.collect()1606			})1607			.unwrap_or_else(|| {1608				properties1609					.into_iter()1610					.map(|(key, value)| Property { key, value })1611					.collect()1612			});16131614		Ok(properties)1615	}16161617	/// Get property permissions according to given keys.1618	pub fn filter_property_permissions(1619		collection_id: CollectionId,1620		keys: Option<Vec<PropertyKey>>,1621	) -> Result<Vec<PropertyKeyPermission>, DispatchError> {1622		let permissions = Self::property_permissions(collection_id);16231624		let key_permissions = keys1625			.map(|keys| {1626				keys.into_iter()1627					.filter_map(|key| {1628						permissions1629							.get(&key)1630							.map(|permission| PropertyKeyPermission {1631								key,1632								permission: permission.clone(),1633							})1634					})1635					.collect()1636			})1637			.unwrap_or_else(|| {1638				permissions1639					.into_iter()1640					.map(|(key, permission)| PropertyKeyPermission { key, permission })1641					.collect()1642			});16431644		Ok(key_permissions)1645	}16461647	/// Toggle `user` participation in the `collection`'s allow list.1648	/// #### Store read/writes1649	/// 1 writes1650	pub fn toggle_allowlist(1651		collection: &CollectionHandle<T>,1652		sender: &T::CrossAccountId,1653		user: &T::CrossAccountId,1654		allowed: bool,1655	) -> DispatchResult {1656		collection.check_is_owner_or_admin(sender)?;16571658		// =========16591660		if allowed {1661			<Allowlist<T>>::insert((collection.id, user), true);1662			Self::deposit_event(Event::<T>::AllowListAddressAdded(1663				collection.id,1664				user.clone(),1665			));1666		} else {1667			<Allowlist<T>>::remove((collection.id, user));1668			Self::deposit_event(Event::<T>::AllowListAddressRemoved(1669				collection.id,1670				user.clone(),1671			));1672		}16731674		<PalletEvm<T>>::deposit_log(1675			erc::CollectionHelpersEvents::CollectionChanged {1676				collection_id: eth::collection_id_to_address(collection.id),1677			}1678			.to_log(T::ContractAddress::get()),1679		);16801681		Ok(())1682	}16831684	/// Toggle `user` participation in the `collection`'s admin list.1685	/// #### Store read/writes1686	/// 2 reads, 2 writes1687	pub fn toggle_admin(1688		collection: &CollectionHandle<T>,1689		sender: &T::CrossAccountId,1690		user: &T::CrossAccountId,1691		admin: bool,1692	) -> DispatchResult {1693		collection.check_is_internal()?;1694		collection.check_is_owner(sender)?;16951696		let is_admin = <IsAdmin<T>>::get((collection.id, user));1697		if is_admin == admin {1698			if admin {1699				return Ok(());1700			} else {1701				return Err(Error::<T>::UserIsNotCollectionAdmin.into());1702			}1703		}1704		let amount = <AdminAmount<T>>::get(collection.id);17051706		// =========17071708		if admin {1709			let amount = amount1710				.checked_add(1)1711				.ok_or(<Error<T>>::CollectionAdminCountExceeded)?;1712			ensure!(1713				amount <= Self::collection_admins_limit(),1714				<Error<T>>::CollectionAdminCountExceeded,1715			);17161717			<AdminAmount<T>>::insert(collection.id, amount);1718			<IsAdmin<T>>::insert((collection.id, user), true);17191720			Self::deposit_event(Event::<T>::CollectionAdminAdded(1721				collection.id,1722				user.clone(),1723			));1724		} else {1725			<AdminAmount<T>>::insert(collection.id, amount.saturating_sub(1));1726			<IsAdmin<T>>::remove((collection.id, user));17271728			Self::deposit_event(Event::<T>::CollectionAdminRemoved(1729				collection.id,1730				user.clone(),1731			));1732		}17331734		<PalletEvm<T>>::deposit_log(1735			erc::CollectionHelpersEvents::CollectionChanged {1736				collection_id: eth::collection_id_to_address(collection.id),1737			}1738			.to_log(T::ContractAddress::get()),1739		);17401741		Ok(())1742	}17431744	/// Update collection limits.1745	pub fn update_limits(1746		user: &T::CrossAccountId,1747		collection: &mut CollectionHandle<T>,1748		new_limit: CollectionLimits,1749	) -> DispatchResult {1750		collection.check_is_internal()?;1751		collection.check_is_owner_or_admin(user)?;17521753		collection.limits =1754			Self::clamp_limits(collection.mode.clone(), &collection.limits, new_limit)?;17551756		Self::deposit_event(Event::<T>::CollectionLimitSet(collection.id));1757		<PalletEvm<T>>::deposit_log(1758			erc::CollectionHelpersEvents::CollectionChanged {1759				collection_id: eth::collection_id_to_address(collection.id),1760			}1761			.to_log(T::ContractAddress::get()),1762		);17631764		collection.save()1765	}17661767	/// Merge set fields from `new_limit` to `old_limit`.1768	fn clamp_limits(1769		mode: CollectionMode,1770		old_limit: &CollectionLimits,1771		mut new_limit: CollectionLimits,1772	) -> Result<CollectionLimits, DispatchError> {1773		let limits = old_limit;1774		limit_default!(old_limit, new_limit,1775			account_token_ownership_limit => ensure!(1776				new_limit <= MAX_TOKEN_OWNERSHIP,1777				<Error<T>>::CollectionLimitBoundsExceeded,1778			),1779			sponsored_data_size => ensure!(1780				new_limit <= CUSTOM_DATA_LIMIT,1781				<Error<T>>::CollectionLimitBoundsExceeded,1782			),17831784			sponsored_data_rate_limit => {},1785			token_limit => ensure!(1786				old_limit >= new_limit && new_limit > 0,1787				<Error<T>>::CollectionTokenLimitExceeded1788			),17891790			sponsor_transfer_timeout(match mode {1791				CollectionMode::NFT => NFT_SPONSOR_TRANSFER_TIMEOUT,1792				CollectionMode::Fungible(_) => FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,1793				CollectionMode::ReFungible => REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,1794			}) => ensure!(1795				new_limit <= MAX_SPONSOR_TIMEOUT,1796				<Error<T>>::CollectionLimitBoundsExceeded,1797			),1798			sponsor_approve_timeout => {},1799			owner_can_transfer => ensure!(1800				!limits.owner_can_transfer_instaled() ||1801				old_limit || !new_limit,1802				<Error<T>>::OwnerPermissionsCantBeReverted,1803			),1804			owner_can_destroy => ensure!(1805				old_limit || !new_limit,1806				<Error<T>>::OwnerPermissionsCantBeReverted,1807			),1808			transfers_enabled => {},1809		);1810		Ok(new_limit)1811	}18121813	/// Update collection permissions.1814	pub fn update_permissions(1815		user: &T::CrossAccountId,1816		collection: &mut CollectionHandle<T>,1817		new_permission: CollectionPermissions,1818	) -> DispatchResult {1819		collection.check_is_internal()?;1820		collection.check_is_owner_or_admin(user)?;1821		collection.permissions = Self::clamp_permissions(1822			collection.mode.clone(),1823			&collection.permissions,1824			new_permission,1825		)?;18261827		Self::deposit_event(Event::<T>::CollectionPermissionSet(collection.id));1828		<PalletEvm<T>>::deposit_log(1829			erc::CollectionHelpersEvents::CollectionChanged {1830				collection_id: eth::collection_id_to_address(collection.id),1831			}1832			.to_log(T::ContractAddress::get()),1833		);18341835		collection.save()1836	}18371838	/// Merge set fields from `new_permission` to `old_permission`.1839	fn clamp_permissions(1840		_mode: CollectionMode,1841		old_permission: &CollectionPermissions,1842		mut new_permission: CollectionPermissions,1843	) -> Result<CollectionPermissions, DispatchError> {1844		limit_default_clone!(old_permission, new_permission,1845			access => {},1846			mint_mode => {},1847			nesting => { /* todo check for permissive, if only it gets out of benchmarks */ },1848		);1849		Ok(new_permission)1850	}18511852	/// Repair possibly broken properties of a collection.1853	pub fn repair_collection(collection_id: CollectionId) -> DispatchResult {1854		CollectionProperties::<T>::mutate(collection_id, |properties| {1855			properties.recompute_consumed_space();1856		});18571858		Ok(())1859	}1860}18611862/// Indicates unsupported methods by returning [Error::UnsupportedOperation].1863#[macro_export]1864macro_rules! unsupported {1865	($runtime:path) => {1866		Err($crate::Error::<$runtime>::UnsupportedOperation.into())1867	};1868}18691870/// Return weights for various worst-case operations.1871pub trait CommonWeightInfo<CrossAccountId> {1872	/// Weight of item creation.1873	fn create_item(data: &CreateItemData) -> Weight {1874		Self::create_multiple_items(from_ref(data))1875	}18761877	/// Weight of items creation.1878	fn create_multiple_items(amount: &[CreateItemData]) -> Weight;18791880	/// Weight of items creation.1881	fn create_multiple_items_ex(cost: &CreateItemExData<CrossAccountId>) -> Weight;18821883	/// The weight of the burning item.1884	fn burn_item() -> Weight;18851886	/// Property setting weight.1887	///1888	/// * `amount`- The number of properties to set.1889	fn set_collection_properties(amount: u32) -> Weight;18901891	/// Collection property deletion weight.1892	///1893	/// * `amount`- The number of properties to set.1894	fn delete_collection_properties(amount: u32) -> Weight;18951896	/// Token property setting weight.1897	///1898	/// * `amount`- The number of properties to set.1899	fn set_token_properties(amount: u32) -> Weight;19001901	/// Token property deletion weight.1902	///1903	/// * `amount`- The number of properties to delete.1904	fn delete_token_properties(amount: u32) -> Weight;19051906	/// Token property permissions set weight.1907	///1908	/// * `amount`- The number of property permissions to set.1909	fn set_token_property_permissions(amount: u32) -> Weight;19101911	/// Transfer price of the token or its parts.1912	fn transfer() -> Weight;19131914	/// The price of setting the permission of the operation from another user.1915	fn approve() -> Weight;19161917	/// The price of setting the permission of the operation from another user for eth mirror.1918	fn approve_from() -> Weight;19191920	/// Transfer price from another user.1921	fn transfer_from() -> Weight;19221923	/// The price of burning a token from another user.1924	fn burn_from() -> Weight;19251926	/// Differs from burn_item in case of Fungible and Refungible, as it should burn1927	/// whole users's balance.1928	///1929	/// This method shouldn't be used directly, as it doesn't count breadth price, use [burn_recursively](CommonWeightInfo::burn_recursively) instead1930	fn burn_recursively_self_raw() -> Weight;19311932	/// Cost of iterating over `amount` children while burning, without counting child burning itself.1933	///1934	/// This method shouldn't be used directly, as it doesn't count depth price, use [burn_recursively](CommonWeightInfo::burn_recursively) instead1935	fn burn_recursively_breadth_raw(amount: u32) -> Weight;19361937	/// The price of recursive burning a token.1938	///1939	/// `max_selfs` - The maximum burning weight of the token itself.1940	/// `max_breadth` - The maximum number of nested tokens to burn.1941	fn burn_recursively(max_selfs: u32, max_breadth: u32) -> Weight {1942		Self::burn_recursively_self_raw()1943			.saturating_mul(max_selfs.max(1) as u64)1944			.saturating_add(Self::burn_recursively_breadth_raw(max_breadth))1945	}19461947	/// The price of retrieving token owner1948	fn token_owner() -> Weight;19491950	/// The price of setting approval for all1951	fn set_allowance_for_all() -> Weight;19521953	/// The price of repairing an item.1954	fn force_repair_item() -> Weight;1955}19561957/// Weight info extension trait for refungible pallet.1958pub trait RefungibleExtensionsWeightInfo {1959	/// Weight of token repartition.1960	fn repartition() -> Weight;1961}19621963/// Common collection operations.1964///1965/// It wraps methods in Fungible, Nonfungible and Refungible pallets1966/// and adds weight info.1967pub trait CommonCollectionOperations<T: Config> {1968	/// Create token.1969	///1970	/// * `sender` - The user who mint the token and pays for the transaction.1971	/// * `to` - The user who will own the token.1972	/// * `data` - Token data.1973	/// * `nesting_budget` - A budget that can be spent on nesting tokens.1974	fn create_item(1975		&self,1976		sender: T::CrossAccountId,1977		to: T::CrossAccountId,1978		data: CreateItemData,1979		nesting_budget: &dyn Budget,1980	) -> DispatchResultWithPostInfo;19811982	/// Create multiple tokens.1983	///1984	/// * `sender` - The user who mint the token and pays for the transaction.1985	/// * `to` - The user who will own the token.1986	/// * `data` - Token data.1987	/// * `nesting_budget` - A budget that can be spent on nesting tokens.1988	fn create_multiple_items(1989		&self,1990		sender: T::CrossAccountId,1991		to: T::CrossAccountId,1992		data: Vec<CreateItemData>,1993		nesting_budget: &dyn Budget,1994	) -> DispatchResultWithPostInfo;19951996	/// Create multiple tokens.1997	///1998	/// * `sender` - The user who mint the token and pays for the transaction.1999	/// * `to` - The user who will own the token.2000	/// * `data` - Token data.2001	/// * `nesting_budget` - A budget that can be spent on nesting tokens.2002	fn create_multiple_items_ex(2003		&self,2004		sender: T::CrossAccountId,2005		data: CreateItemExData<T::CrossAccountId>,2006		nesting_budget: &dyn Budget,2007	) -> DispatchResultWithPostInfo;20082009	/// Burn token.2010	///2011	/// * `sender` - The user who owns the token.2012	/// * `token` - Token id that will burned.2013	/// * `amount` - The number of parts of the token that will be burned.2014	fn burn_item(2015		&self,2016		sender: T::CrossAccountId,2017		token: TokenId,2018		amount: u128,2019	) -> DispatchResultWithPostInfo;20202021	/// Burn token and all nested tokens recursievly.2022	///2023	/// * `sender` - The user who owns the token.2024	/// * `token` - Token id that will burned.2025	/// * `self_budget` - The budget that can be spent on burning tokens.2026	/// * `breadth_budget` - The budget that can be spent on burning nested tokens.2027	fn burn_item_recursively(2028		&self,2029		sender: T::CrossAccountId,2030		token: TokenId,2031		self_budget: &dyn Budget,2032		breadth_budget: &dyn Budget,2033	) -> DispatchResultWithPostInfo;20342035	/// Set collection properties.2036	///2037	/// * `sender` - Must be either the owner of the collection or its admin.2038	/// * `properties` - Properties to be set.2039	fn set_collection_properties(2040		&self,2041		sender: T::CrossAccountId,2042		properties: Vec<Property>,2043	) -> DispatchResultWithPostInfo;20442045	/// Delete collection properties.2046	///2047	/// * `sender` - Must be either the owner of the collection or its admin.2048	/// * `properties` - The properties to be removed.2049	fn delete_collection_properties(2050		&self,2051		sender: &T::CrossAccountId,2052		property_keys: Vec<PropertyKey>,2053	) -> DispatchResultWithPostInfo;20542055	/// Set token properties.2056	///2057	/// The appropriate [`PropertyPermission`] for the token property2058	/// must be set with [`Self::set_token_property_permissions`].2059	///2060	/// * `sender` - Must be either the owner of the token or its admin.2061	/// * `token_id` - The token for which the properties are being set.2062	/// * `properties` - Properties to be set.2063	/// * `budget` - Budget for setting properties.2064	fn set_token_properties(2065		&self,2066		sender: T::CrossAccountId,2067		token_id: TokenId,2068		properties: Vec<Property>,2069		budget: &dyn Budget,2070	) -> DispatchResultWithPostInfo;20712072	/// Remove token properties.2073	///2074	/// The appropriate [`PropertyPermission`] for the token property2075	/// must be set with [`Self::set_token_property_permissions`].2076	///2077	/// * `sender` - Must be either the owner of the token or its admin.2078	/// * `token_id` - The token for which the properties are being remove.2079	/// * `property_keys` - Keys to remove corresponding properties.2080	/// * `budget` - Budget for removing properties.2081	fn delete_token_properties(2082		&self,2083		sender: T::CrossAccountId,2084		token_id: TokenId,2085		property_keys: Vec<PropertyKey>,2086		budget: &dyn Budget,2087	) -> DispatchResultWithPostInfo;20882089	/// Set token property permissions.2090	///2091	/// * `sender` - Must be either the owner of the token or its admin.2092	/// * `token_id` - The token for which the properties are being set.2093	/// * `property_permissions` - Property permissions to be set.2094	/// * `budget` - Budget for setting properties.2095	fn set_token_property_permissions(2096		&self,2097		sender: &T::CrossAccountId,2098		property_permissions: Vec<PropertyKeyPermission>,2099	) -> DispatchResultWithPostInfo;21002101	/// Transfer amount of token pieces.2102	///2103	/// * `sender` - Donor user.2104	/// * `to` - Recepient user.2105	/// * `token` - The token of which parts are being sent.2106	/// * `amount` - The number of parts of the token that will be transferred.2107	/// * `budget` - The maximum budget that can be spent on the transfer.2108	fn transfer(2109		&self,2110		sender: T::CrossAccountId,2111		to: T::CrossAccountId,2112		token: TokenId,2113		amount: u128,2114		budget: &dyn Budget,2115	) -> DispatchResultWithPostInfo;21162117	/// Grant access to another account to transfer parts of the token owned by the calling user via [Self::transfer_from].2118	///2119	/// * `sender` - The user who grants access to the token.2120	/// * `spender` - The user to whom the rights are granted.2121	/// * `token` - The token to which access is granted.2122	/// * `amount` - The amount of pieces that another user can dispose of.2123	fn approve(2124		&self,2125		sender: T::CrossAccountId,2126		spender: T::CrossAccountId,2127		token: TokenId,2128		amount: u128,2129	) -> DispatchResultWithPostInfo;21302131	/// Grant access to another account to transfer parts of the token owned by the calling user's eth mirror via [Self::transfer_from].2132	///2133	/// * `sender` - The user who grants access to the token.2134	/// * `from` - Spender's eth mirror.2135	/// * `to` - The user to whom the rights are granted.2136	/// * `token` - The token to which access is granted.2137	/// * `amount` - The amount of pieces that another user can dispose of.2138	fn approve_from(2139		&self,2140		sender: T::CrossAccountId,2141		from: T::CrossAccountId,2142		to: T::CrossAccountId,2143		token: TokenId,2144		amount: u128,2145	) -> DispatchResultWithPostInfo;21462147	/// Send parts of a token owned by another user.2148	///2149	/// Before calling this method, you must grant rights to the calling user via [`Self::approve`].2150	///2151	/// * `sender` - The user who must have access to the token (see [`Self::approve`]).2152	/// * `from` - The user who owns the token.2153	/// * `to` - Recepient user.2154	/// * `token` - The token of which parts are being sent.2155	/// * `amount` - The number of parts of the token that will be transferred.2156	/// * `budget` - The maximum budget that can be spent on the transfer.2157	fn transfer_from(2158		&self,2159		sender: T::CrossAccountId,2160		from: T::CrossAccountId,2161		to: T::CrossAccountId,2162		token: TokenId,2163		amount: u128,2164		budget: &dyn Budget,2165	) -> DispatchResultWithPostInfo;21662167	/// Burn parts of a token owned by another user.2168	///2169	/// Before calling this method, you must grant rights to the calling user via [`Self::approve`].2170	///2171	/// * `sender` - The user who must have access to the token (see [`Self::approve`]).2172	/// * `from` - The user who owns the token.2173	/// * `token` - The token of which parts are being sent.2174	/// * `amount` - The number of parts of the token that will be transferred.2175	/// * `budget` - The maximum budget that can be spent on the burn.2176	fn burn_from(2177		&self,2178		sender: T::CrossAccountId,2179		from: T::CrossAccountId,2180		token: TokenId,2181		amount: u128,2182		budget: &dyn Budget,2183	) -> DispatchResultWithPostInfo;21842185	/// Check permission to nest token.2186	///2187	/// * `sender` - The user who initiated the check.2188	/// * `from` - The token that is checked for embedding.2189	/// * `under` - Token under which to check.2190	/// * `budget` - The maximum budget that can be spent on the check.2191	fn check_nesting(2192		&self,2193		sender: T::CrossAccountId,2194		from: (CollectionId, TokenId),2195		under: TokenId,2196		budget: &dyn Budget,2197	) -> DispatchResult;21982199	/// Nest one token into another.2200	///2201	/// * `under` - Token holder.2202	/// * `to_nest` - Nested token.2203	fn nest(&self, under: TokenId, to_nest: (CollectionId, TokenId));22042205	/// Unnest token.2206	///2207	/// * `under` - Token holder.2208	/// * `to_nest` - Token to unnest.2209	fn unnest(&self, under: TokenId, to_nest: (CollectionId, TokenId));22102211	/// Get all user tokens.2212	///2213	/// * `account` - Account for which you need to get tokens.2214	fn account_tokens(&self, account: T::CrossAccountId) -> Vec<TokenId>;22152216	/// Get all the tokens in the collection.2217	fn collection_tokens(&self) -> Vec<TokenId>;22182219	/// Check if the token exists.2220	///2221	/// * `token` - Id token to check.2222	fn token_exists(&self, token: TokenId) -> bool;22232224	/// Get the id of the last minted token.2225	fn last_token_id(&self) -> TokenId;22262227	/// Get the owner of the token.2228	///2229	/// * `token` - The token for which you need to find out the owner.2230	fn token_owner(&self, token: TokenId) -> Result<T::CrossAccountId, TokenOwnerError>;22312232	/// Returns 10 tokens owners in no particular order.2233	///2234	/// * `token` - The token for which you need to find out the owners.2235	fn token_owners(&self, token: TokenId) -> Vec<T::CrossAccountId>;22362237	/// Get the value of the token property by key.2238	///2239	/// * `token` - Token with the property to get.2240	/// * `key` - Property name.2241	fn token_property(&self, token_id: TokenId, key: &PropertyKey) -> Option<PropertyValue>;22422243	/// Get a set of token properties by key vector.2244	///2245	/// * `token` - Token with the property to get.2246	/// * `keys` - Vector of property keys. If this parameter is [None](sp_std::result::Result),2247	/// then all properties are returned.2248	fn token_properties(&self, token: TokenId, keys: Option<Vec<PropertyKey>>) -> Vec<Property>;22492250	/// Amount of unique collection tokens2251	fn total_supply(&self) -> u32;22522253	/// Amount of different tokens account has.2254	///2255	/// * `account` - The account for which need to get the balance.2256	fn account_balance(&self, account: T::CrossAccountId) -> u32;22572258	/// Amount of specific token account have.2259	fn balance(&self, account: T::CrossAccountId, token: TokenId) -> u128;22602261	/// Amount of token pieces2262	fn total_pieces(&self, token: TokenId) -> Option<u128>;22632264	/// Get the number of parts of the token that a trusted user can manage.2265	///2266	/// * `sender` - Trusted user.2267	/// * `spender` - Owner of the token.2268	/// * `token` - The token for which to get the value.2269	fn allowance(2270		&self,2271		sender: T::CrossAccountId,2272		spender: T::CrossAccountId,2273		token: TokenId,2274	) -> u128;22752276	/// Get extension for RFT collection.2277	fn refungible_extensions(&self) -> Option<&dyn RefungibleExtensions<T>>;22782279	/// The `operator` is allowed to transfer all tokens of the `owner` on their behalf.2280	/// * `owner` - Token owner2281	/// * `operator` - Operator2282	/// * `approve` - Should operator status be granted or revoked?2283	fn set_allowance_for_all(2284		&self,2285		owner: T::CrossAccountId,2286		operator: T::CrossAccountId,2287		approve: bool,2288	) -> DispatchResultWithPostInfo;22892290	/// Tells whether the given `owner` approves the `operator`.2291	fn allowance_for_all(&self, owner: T::CrossAccountId, operator: T::CrossAccountId) -> bool;22922293	/// Repairs a possibly broken item.2294	fn repair_item(&self, token: TokenId) -> DispatchResultWithPostInfo;2295}22962297/// Extension for RFT collection.2298pub trait RefungibleExtensions<T>2299where2300	T: Config,2301{2302	/// Change the number of parts of the token.2303	///2304	/// When the value changes down, this function is equivalent to burning parts of the token.2305	///2306	/// * `sender` - The user calling the repartition operation. Must be the owner of the token.2307	/// * `token` - The token for which you want to change the number of parts.2308	/// * `amount` - The new value of the parts of the token.2309	fn repartition(2310		&self,2311		sender: &T::CrossAccountId,2312		token: TokenId,2313		amount: u128,2314	) -> DispatchResultWithPostInfo;2315}23162317/// Merge [`DispatchResult`] with [`Weight`] into [`DispatchResultWithPostInfo`].2318///2319/// Used for [`CommonCollectionOperations`] implementations and flexible enough to do so.2320pub fn with_weight(res: DispatchResult, weight: Weight) -> DispatchResultWithPostInfo {2321	let post_info = PostDispatchInfo {2322		actual_weight: Some(weight),2323		pays_fee: Pays::Yes,2324	};2325	match res {2326		Ok(()) => Ok(post_info),2327		Err(error) => Err(DispatchErrorWithPostInfo { post_info, error }),2328	}2329}23302331impl<T: Config> From<PropertiesError> for Error<T> {2332	fn from(error: PropertiesError) -> Self {2333		match error {2334			PropertiesError::NoSpaceForProperty => Self::NoSpaceForProperty,2335			PropertiesError::PropertyLimitReached => Self::PropertyLimitReached,2336			PropertiesError::InvalidCharacterInPropertyKey => Self::InvalidCharacterInPropertyKey,2337			PropertiesError::PropertyKeyIsTooLong => Self::PropertyKeyIsTooLong,2338			PropertiesError::EmptyPropertyKey => Self::EmptyPropertyKey,2339		}2340	}2341}